VirtualBox

VirtualBox is a family of x86 virtualization products for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL).

VirtualBox runs on Mac OS X, Windows, and Linux and supports a large number of guest operating systems including but not limited to Windows, DOS or Windows 3.x, Linux (2.4 and 2.6), and OpenBSD.

• Virtualization core: fixed an invalid-guest state guru meditation in some rare circumstances on Intel hosts
• Virtualization core: some fixes for systems with lots of processors
• Audio: relaxed VRM / VRA (variable rate audio) bit checks to provide more compatibility for guests running ALSA setups with the AC'97 emulation
• USB: made device capturing for passthrough more accurate and reliable on Windows host
• Network: fixed potential issue with interrupt signalling for network adapters in UEFI guests
• 3D: fixed flicker and redraw issues when using VBoxSVGA or VMSVGA graphics adapter
• 3D: fixed crash with some applications when using VBoxSVGA or VMSVGA graphics adapter
• macOS host: fix crash of GUI VM process which showed up frequently with 10.15 Catalina
• Linux host: support Linux 5.3, thank you Larry Finger
• Linux host: improve python version detection during rpm package creation, can change package dependencies and fix some installation problems
• Linux guests: calls to aio_read(3) and aio_write(3) may fail inside shared folders
• Linux guests: fix problem with shared folder unmounting in service script, thank you Denis Ryndine
• Linux guests: VBox 6.0.10 GAs fail to compile on Red Hat/CentOS/Oracle Linux 7.7 and Red Hat 8.1 Beta